. >> bill: joining us from washington, mary ellen o'tool, former senior profile with the f.b.i. and lieutenant colonel dave grossman, retired army. the author of the book "stop teaching our kids to kill, call to action against tv, game movie violence." colonel, i love the war games when i was a kid. i had guns, i ran around. i watched the westerns. as i grew to an adult, i didn't have much interest in guns or violence or any of that. so are you sure there is a correlation between what children see on tv and movies and all of that and how they behave? >> bill, when i was a kid, we never buckled our seatbelts. every kid i know never buckled their seatbelts and we were all just fine. but buckling the kids in a seat is a darn smart idea and it saved lives. what we're talking about here is a causal factor in the equation. i'm our nation's number one law enforcement trainer. more contact hours, more contact days than anybody in america. i got a best selling video series for citizens, mental prepared for the battle. and we are doing what these video games, these simulators, these murde